irrational number
noun/ɪˌræʃənl ˈnʌmbə(r)/
/ɪˌræʃənl ˈnʌmbər/
(also surd)
(mathematics)- a number, for example π or the square root of 2, that cannot be expressed as the ratio of two whole numbersTopics Maths and measurementc2
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irrational number